Package includes 4 Dual Color SwitchBack LEDs & 4 Load resistors w/ quick connectors 60 Dual Chip LEDs per bulb. Each LED has 2 emitters built in, 1 white and 1 amber. Total of 120 LED emitters per bulb. White color is 6000K Xenon white. To 6000K HID headlights. Amber color is approx 3000K. Package includes 4 Switchback LEDs, 4 Load resistors, 8 quick connectors. Parking Light / DRL mode. White color turns off completely until turn signal is turned off. Only amber illuminates when the turn signal is on. These do not alternate white/amber in turn signal mode. Simply pull out the stock bulb and replace it with the new one. When the parking lights are on the color will be white, when the turn signal is applied the white will shut off and the amber color will blink only. When the turn signals have been shut off the white color will come back on. Resistor wiring diagram included in package. We are flexible if you need more time. Just communicate with us by sending us a message. We use high quality bubble lined packaging. All parts are securely packaged. The item “White/amber switchback Turn Signal LEDs & resistors 2007-2013 GMC Sierra #G4x2″ is in sale since Wednesday, July 9, 2014. This item is in the category “eBay Motors\Parts & Accessories\Car & Truck Parts\Lighting & Lamps\Light Bulbs\LED Lights”. The seller is “fyreflys” and is located in Houston, Texas. This item can be shipped worldwide.